I did, in 6 places On Aug 18, 2013, at 11:13 AM, Steven Medved <[email protected]> wrote:
> John, > > Measure them in different places. > > Steve > >> Date: Sun, 18 Aug 2013 06:49:58 -0700 >> From: [email protected] >> To: [email protected] >> Subject: Re: [Phono-L] Curious Diamond B problem >> >> Steve, the diameter of both the Diamond B and Diamond C compressions rings >> is 1.66. The inside diameter of the Diamond C body is 1.66. The inner >> diameter of the Diamond B body ranges up to1.6730, and is slightly >> inconsistent in circumference. So there is obvious enlargement there. >> John >> >> >> >> >> ________________________________ >> From: Steven Medved <[email protected]> >> To: Antique Phonograph List <[email protected]> >> Sent: Sunday, August 18, 2013 5:26 AM >> Subject: Re: [Phono-L] Curious Diamond B problem >> >> >> Normally the Diamond B does not expand that much unless it was stored where >> temperatures varied over the years like an unheated attic where it got very >> cold in the winter and very hot in the summer. Pot metal reproducer on >> Vancouver Island in the Victoria area remain pristine due to the relative >> small variance in temperature. >> >> Edison compression rings vary in diameter from 1.59 to 1.69. If the largest >> ring you have will not thread I use Teflon tape because it will allow easy >> removal. >> >> With the Model R and S you have the opposite problem and need a smaller >> ring. That's Pot Metal Folks. >> >> Steve >> >> >>> Date: Sun, 18 Aug 2013 04:39:49 -0700 >>> From: [email protected] >>> To: [email protected] >>> Subject: [Phono-L] Curious Diamond B problem >>> >>> Hello all >>> I have a Diamond B reproducer with a curious problem. I went to rebuild it, >>> and when I tried to unscrew the diaphragm retaining ring, it turned but did >>> not want to come out. Finally I eased it out by unscrewing while working a >>> small screwdriver blade under it to help push it outward. When it came out, >>> I noticed that it had Scotch tape wrapped around it. When I removed the >>> tape and went to screw it back into the reproducer, it fell to the bottom >>> of the reproducer body. The threads did not engage with the body. I had >>> another ring from a Diamond C and it did the same thing, but both rings >>> worked in the Diamond C. I thought they were two different sized reproducer >>> bodies, but apparently they are supposed to be the same diameter. >>> A knowledgeable collector friend suggested that the pot metal body of the >>> Diamond B might have expanded. Has anyone else had this happen? What would >>> be a solution, other than shimming the ring again? Or is that THE solution? >>> Thanks >>> John Robles >>> _______________________________________________ >>> Phono-L mailing list >>> http://phono-l.org >> >> _______________________________________________ >> Phono-L mailing list >> http://phono-l.org >> _______________________________________________ >> Phono-L mailing list >> http://phono-l.org > > _______________________________________________ > Phono-L mailing list > http://phono-l.org _______________________________________________ Phono-L mailing list http://phono-l.org
